#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/param.h>
#include <sys/jail.h>
#include <jail.h>

int main( ) {

	int jid ;

	jid = jail_setv( JAIL_CREATE,
		"name",				"hangjail",
		"persist",			NULL,
		"host.hostname",	"hangjail",
		"path",				"/",
		"ip4.addr",			NULL,
		NULL, 				NULL
	);
	if ( -1 == jid )
		err(1, "jail_setv");

	/* This call will hang. */
	jid = jail_setv( JAIL_UPDATE|JAIL_ATTACH, "name", "hangjail", NULL, NULL );
	if ( -1 == jid )
		err(1, "jail_setv 2");
	
	jail_remove( jid );

	puts( "Success!" );

	return 0;	
}